By making a cash donation to The Salvation Army, you are able to claim a charitable deduction of up to 50% of your adjusted gross income in the year you make the gift. If you cannot utilize the entire deduction in that year, deductions may be carried over for an additional five years.
Scientists learn about the layers deep within the Earth's crust by studying how seismic waves travel through the Earth.If there is an earthquake somewhere, seismagraphs in many locations will record it.
Report Abuse. The short answer is that we are not entirely sure why Earth has a magnetic field. The other answer is that the outer core acts like a magnet. This implies that it is like magnets that people put on their refrigerators.However, the core is way too hot for this type of magnetism to occur.eport Abuse. The short answer is that we are not entirely sure why Earth has a magnetic field. The other answer is that the outer core acts like a magnet. This implies that it is like magnets that people put on their refrigerators.